Year	Number
2001	13
2002	4
2003	9
2004	12
2005	17
2006	22
2007	12
2008	31
2009	22
2010	27
2011	27
2012	23
2013	54
2015	11
2016	22
2017	114
2018	54
2019	139
2020	32
2021	63